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Finding the Fourth Proportional to 118,873.58, 164,062.34 and 73,566.15

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Solution

The fourth proportional to 118,873.58, 164,062.34 and 73,566.15 is: 101,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,873.58 : 164,062.34 = 73,566.15 : x
  2. Step 2: Convert to fraction form
    118,873.58/164,062.34 = 73,566.15/x
  3. Step 3: Cross multiply
    118,873.58x = 164,062.34 × 73,566.15
  4. Step 4: Simplify right side
    118,873.58x = 12,069,434,713.79
  5. Step 5: Solve for x
    x = 12,069,434,713.79/118,873.58
  6. Step 6: Final answer
    x = 101,531.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.